He ___________ his friends for their help at the hotel now.
| A．entertained |
| B．was entertaining |
| C．is entertained |
| D．is entertaining |
In our factory there are 2,000 workers, and two thirds of _______ are women.
| A．them | B．which | C．whom | D．who |
_____ the water run while you brush your teeth wastes water.
| A．Don’t let | B．Let | C．Not letting | D．Letting |
The fruit _____fresh in his fruit stand sells well.
| A．looking | B．looked | C．look | D．to be looked |
------Do you mind if I keep pets in this building?
------_____.
| A．You’d better not, actually. | B．Of course not, but it’s not allowed here. |
| C．Great! I love pets. | D．No, you can’t. |
The speaker raised his voice but still couldn’t make himself ______.
| A．hear | B．to hear | C．hearing | D．heard |